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A154503 Numbers n of A144571 2
1, 5, 11, 15, 21, 29, 45, 49, 55, 61, 71, 85, 119, 129, 131, 135, 139, 151, 175, 185, 209, 211, 219, 229, 231, 259, 265, 275, 309, 311, 321, 331, 339, 349, 365, 371, 415, 421, 435, 439, 465, 491, 499, 501, 505, 519, 549, 551, 555, 561, 565, 575, 591, 601, 609 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

lst={}; Do[If[PrimeQ[p=81*n^2-90*n+26], AppendTo[lst, n]], {n, 7!}]; lst

CROSSREFS

Cf. A144571

Sequence in context: A075628 A036787 A187715 * A137009 A034905 A031153

Adjacent sequences:  A154500 A154501 A154502 * A154504 A154505 A154506

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 11 2009

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.